no code implementations • 28 Dec 2020 • Federico Tosone, Mark C. Neyrinck, Benjamin R. Granett, Luigi Guzzo, Nicola Vittorio
In this paper, we first show that the main limitation of current semi-analytical schemes to simulate the displacement of CDM is their inability to model the evolution of overdensities in the initial density field, a limit that can be circumvented by detecting halo particles in the initial conditions.
Cosmology and Nongalactic Astrophysics
1 code implementation • 11 Jan 2012 • Bridget L. Falck, Mark C. Neyrinck, Alexander S. Szalay
We present the ORIGAMI method of identifying structures, particularly halos, in cosmological N-body simulations.
Cosmology and Nongalactic Astrophysics Astrophysics of Galaxies
1 code implementation • 18 Dec 2007 • Mark C. Neyrinck
ZOBOV (ZOnes Bordering On Voidness) is an algorithm that finds density depressions in a set of points, without any free parameters, or assumptions about shape.
astro-ph
